53312061 has 16 divisors (see below), whose sum is σ = 77762880. Its totient is φ = 32219520.

The previous prime is 53312047. The next prime is 53312071. The reversal of 53312061 is 16021335.

It is not a de Polignac number, because 53312061 - 2¹⁷ = 53180989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53312041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10761 + ... + 14913.

It is an arithmetic number, because the mean of its divisors is an integer number (4860180).

Almost surely, 2^53312061 is an apocalyptic number.

It is an amenable number.

53312061 is a deficient number, since it is larger than the sum of its proper divisors (24450819).

53312061 is a wasteful number, since it uses less digits than its factorization.

53312061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 53312061 is about 7301.5108710458. The cubic root of 53312061 is about 376.3643598171.

Adding to 53312061 its reverse (16021335), we get a palindrome (69333396).

The spelling of 53312061 in words is "fifty-three million, three hundred twelve thousand, sixty-one".